Posted - 12/04/2025 : 07:27:53
I’m posting this in case anyone else runs into recurring UPS “adjustments” (chargebacks) when using ShipStation or the “PayPal Shipping by ShipStation” integration. In our situation, we were charged many hundreds of bogus UPS chargebacks, typically around $4 each.
After months of unproductive troubleshooting, it appears we may have finally resolved the problem.
The adjustments started in 2024, after ShipStation assigned us a new 6-digit UPS shipper number that began appearing on all of our labels. Even though the printed labels were configured to show the correct warehouse return address, UPS Online Tools (through the ECT "track my order" feature) always listed the origin as one of our remote offices—roughly 90 minutes from the nearest UPS hub. We suspected a configuration error tied to that new shipper number, but ShipStation support was never able to identify or correct it.
Recently, PayPal dropped the ShipStation branding from its integrated shipping system and moved all support to its own Merchant Technical Support (MTS) group. Our long-running case transitioned from ShipStation’s support—who seem unable to solve much of anything—to PayPal’s MTS team, who have always been far more capable.
The MTS rep told us that, despite our doubts, we should call UPS technical support at 800-377-4877, provide the shipper number assigned by ShipStation, and ask UPS to fix any configuration issues.
A UPS rep—who was overseas and hard to understand—verified our identity by emailing a 6-digit code to our corporate inbox, located the configuration error, and corrected it. A check of UPS Online Tools now shows the proper warehouse origin address, and the chargebacks seem to have finally stopped.
We’ve been very satisfied with PayPal as our back-end payment-card processor. Their Merchant Technical Support is in a league of its own, and PayPal’s discounted UPS labels cost less than half of what we were paying under our prior negotiated rates. Without those low shipping fees we'd have a much harder time competing with Amazon.
Edited by - pauld on 12/05/2025 09:46:05
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